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STEREO Sees Lunar Transit

by NASA

Published 6/9/2008


This transit of the moon across the sun on Feb. 25, 2007, could not be seen from Earth. This sight was visible only from the STEREO-B spacecraft in its orbit about the sun, trailing behind the Earth. NASA's STEREO mission consists of two spacecraft launched in October 2006 to study solar storms. When STEREO-B captured this image, it was about one million miles from the Earth. That's about 4.4 times farther away from the moon than we are on Earth. As a result, the moon appeared about 4.4 times smaller than what we are used to. This alignment of STEREO-B and the moon was not just due to luck. It was arranged with a small tweak to STEREO-B's orbit in December 2006. The sun as it appears here is a composite of images in four different wavelengths of extreme ultraviolet light that were separated into color channels and then recombined. Image credit: NASA


Feed_id /1/rss_feeds/NASA_Solarsystem_Eclipse_Image_Gallery/nasa_solarsystem_eclipse_image_gallery:eclipseimg_080530_goes10/125264_ImageGalleryXML_Feed.rss
Mediatype image
Creator NASA
Source http://www.nasa.gov/topics/solarsystem/features/eclipse/EclipseImg_080530_STEREO.html
Date 6/9/2008
Year 2008
Rights Public Domain
What Moon
What Sun
What Earth
What STEREO B
What STEREO
Identifier 233656main_stereotransit_HI_full
Addeddate 2009-08-20 00:11:46
Publicdate 2009-08-20 00:19:49

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